Expert answers to your questions in World Football: The Phone-in from BBC Radio 5 live's Up All Night programme.

The only team you have to support for the next couple of hours is the World Football Phone-In gang, united around the world covering Cities, Athleticos, Spartas and Wanderers. This week we're looking at South America with the Legendinho Tim Vickery, and Africa with Springboka Junior Mark Gleeson.